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Study on Resistance of Different Eucalyptus Varieties to Leptocybe invasa in Southern Jiangxi(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2015年11
Page:
106-109
Research Field:
Publishing date:

Info

Title:
Study on Resistance of Different Eucalyptus Varieties to Leptocybe invasa in Southern Jiangxi
Author(s):
CHEN Yuan-sheng1; LIAO Zhong-ming1; TU Xiao-yun2
1.Jiangxi Environmental Engineering Vocational College，Ganzhou，Jiangxi 341000；2.College of Life Sciences，Jiangxi Normal University，Nanchang,Jiangxi 330022
Keywords:
Leptocybe invasa;  Eucalyptus; Gannan; resistance; variety; gall
PACS:
S 763.43
DOI:
10.11937/bfyy.201511026
Abstract:
Leptocybe invasa has become a major pest that damage the eucalypt branches and leaves in Gannan (South of Jiangxi Province)，and has entered the stage of the outbreak，and has become a serious threat to the development of Gannan eucalypt industry.Breeding of Eucalyptus resistant varieties (lines) is one of the most effective methods of preventing this pest.Taking seven major commercial Eucalyptus spp.varieties (lines) in South Jiangxi province as test material，and based on these varieties (lines) of field investigation and indoor seedling insect resistance identification，comprehensive evaluation with these index of average amount of branch galls，rate of gall plants and rate of fascicled symptom，these varieties (lines) resistance to Leptocybe invasa was researched.The results showed that the pest resistance of different Eucalyptus varieties (lines) to L.invasa was significant difference.Resistance of these varieties (lines) from high to low order，E.citriodora ＞E.grandis×E.urophylla GL9>E.camaldulensis >E.robusta ≥ E.grandis >E.exserta ＞ E.grandis×E.tereticornis DH201-2.Among them，E.citriodora was high resistant varieties，no gall；GL9 was resistant strains，suffer a lighter；but，DH201-2 was a highly susceptible strains，be serious damage.

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Last Update: 2015-08-07